Question

vr is affected by friction

Answer 1

Answer:

VR is velocity ratio . Velocity ratio is the ratio of displacement of effort to load . Here the displacement takes place. Friction cannot reduce the displacement as it is only a force which is of opposing nature and thus VR is unaffected by fricton.

Answer 2

Answer:

There is no relation between friction and vr.But vr is not affected because it depends upon the displacement of load and effort and not on their magnitude.

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